package com.me.dao.impl;

import com.me.dao.BookDao;
import com.me.pojo.Book;

import java.util.List;

public class BookDaoImpl extends BaseDao implements BookDao {
    @Override
    public int addBook(Book book) {

        String sql = "insert into t_book(name,author,price,sales,stock,img_path)values(?,?,?,?,?,?)";
        return update(sql, book.getName(), book.getAuthor(), book.getPrice(), book.getSales(), book.getStock(), book.getImgPath());
    }

    @Override
    public int deleteBookById(int id) {
        String sql = "delete from t_book where id = ?";
        return update(sql, id);
    }

    @Override
    public int updateBook(Book book) {
        String sql = "update t_book set name=?,author=?,price=?,sales=?,stock=?,img_path=? where id = ?" ;
        return update(sql, book.getName(), book.getAuthor(), book.getPrice(), book.getSales(), book.getStock(), book.getImgPath(), book.getId());
    }

    @Override
    public Book queryBookById(int id) {
        String sql = "select id,name,author,price,sales,stock,img_path imgPath from t_book where id = ?";
        return queryForOne(Book.class, sql, id);
    }

    @Override
    public List<Book> queryBooks() {
        String sql = "select id,name,author,price,sales,stock,img_path imgPath from t_book";
        return queryForList(Book.class, sql);
    }

    @Override
    public Integer queryForPageTotalCount() {
        String sql = "select count(*) from t_book";
        Number number = (Number) queryForSingleValue(sql);
        return number.intValue();
    }

    @Override
    public List<Book> queryForPageItem(int begin, int pageSize) {
        String sql = "select id,name,author,price,sales,stock,img_path imgPath from t_book limit ?,?";
        return queryForList(Book.class, sql, begin, pageSize);
    }

    @Override
    public Integer queryForPageTotalCountByPrice(int min, int max) {
        String sql = "select count(*) from t_book where price between ? and ? order by price";
        Number number = (Number) queryForSingleValue(sql, min, max);
        return number.intValue();
    }

    @Override
    public List<Book> queryForPageItemByPrice(int begin, int pageSize, int min, int max) {
        String sql = "select id,name,author,price,sales,stock,img_path imgPath from t_book where price between ? and ? order by price limit ?,?";
        return queryForList(Book.class, sql, min, max, begin, pageSize);
    }
}
